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Technical Specifications
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·Measurement range
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Minimum measurement range 0~500Pa, maximum measurement range 0~4MPa
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·Accuracy
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The comprehensive error (including linearity, repeatability, and hysteresis) is better than 0.1%
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<7KPa: 0.25% rated range 1:1~3:1 (0.25% standard range+0.03% TD)%
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Set the range to 3:1 to 10:1
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≥ 7kPa: 0.2% standard range 1:1~3:1 (0.2% standard range+0.03% TD)%
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Set the range to 3:1 to 10:1
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·Long term stability
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Annually ≤ ± 0.15% Fs
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·Working temperature
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Allowable medium temperature (-40~100) ℃, allowable storage temperature (-40~85) ℃
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Allowable ambient temperature (-20~60) ℃ (special requirement -40~85 ℃)
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·Temperature influence
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-Within the temperature range of 20 ℃ to+60 ℃, the influence error (zero point, range) is ≤ 0.8%
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The influence error of the 7KPa range sensor is ≤ 1.2%
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·Temperature coefficient
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-10 ℃~+60 ℃ (0.05% URL+0.065% set range)/20K
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-40 ℃~-10 ℃ 60 ℃~+85 ℃ (0.08% URL+0.1% set range)/20K
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·Long term stability and qualitative analysis
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Better than 0.1% FS per year and better than 0.25% for five years
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·Sensors allow
Working static pressure
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Unidirectional and bidirectional maximum allowable static pressure PN13MPa
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·Static pressure influence
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Under 100% condition, the impact is ≤ 0.25%
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·Damping
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0-40 seconds continuously adjustable
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·Allow environmental humidity
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100%HR
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·Signal output
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4-20mA linear output two-wire system with HART communication protocol
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4-20mA square root output two-wire system with HART communication protocol
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·Start time
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3S without preheating required
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·Vibration impact
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2g 1000HZ ±0.05%
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·Impact resistance
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50g 11mesc
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·Load characteristics
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Corresponding to power supply voltage impedance of 50 Ω~1000 Ω (see figure)
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·Power supply
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12V~36V DC
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·Sensor range ratio
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20: 1. Continuously adjustable, zero point can be reversed and migrated 100%
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·Installation location impact
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Non horizontal installation generates a zero point error of less than 0.25KPa, which can be corrected by adjusting the zero point,
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Does not affect measurement accuracy
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·Electrical connection
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The cable sealing shell is suitable for cables with an outer diameter of 6-8mm;
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·Process Connection
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1/4NPT internal thread; Connection of pressure conduit; M10 internal hole thread; Installation bracket connection
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·Contact with medium
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Sensor corrugated membrane: stainless steel 316L, Hastelloy C;
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Partial materials
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Sensor sealing ring: Fluorine rubber EPDM, PTFE carat (Kalrez);
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Flange: Stainless steel 316, Hastelloy C
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·Non contact with the medium
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Shell: Die cast aluminum strip with epoxy resin coating; Fastener: Stainless steel
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Partial materials
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Nameplate: Stainless steel 304; Intermediate fluid in sensor: silicone oil
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·On site terminal
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Intelligent: 5-digit LCD digital display; Simulation: 3 1/2 digit LCD digital display
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·Explosion proof level
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Explosion proof Ex d Ⅱ C T6 Gb; Intrinsically safe Ex ia Ⅱ C T6 Ga
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